April, '04] ENTOMOLOGICAL NEWS. I39 



1903, adding a suramar}^ of the more important entomological 

 work done by others. 



A discussion of the species of Rhopalocera occurring in the 

 Chicago area followed. This will probably be resumed when 

 time and occasion permits. 



Two boxes of butterflies from South America, which our 

 visitor, Mr. Block, exhibited, were also discussed and partly 

 identified by the aid of the Biologia-Centrali Americana. 



Adjourned 9.45 p.m. A. KwiAT, Recorder. 



The meeting of the Feldman Collecting Social was held on 

 Februar}' 17th, at the residence of Mr. H. W. Wenzel. 1523 

 So. 13th Street, Philadelphia. Eight members were present. 



Dr. Skinner referred to a recent article on protective colora- 

 tion in moths, in which it was suggested that the hind wings 

 of Catocala were a protection against birds in consequence of 

 their bright color, a theory which the speaker could not sup- 

 port. He pointed out that Catocala seldom fly, except at night, 

 their hind wings being therefore concealed at a time when birds 

 are on the search for prey. 



The members discussed the capture of Coleoptera by traps. 



Wm. J. Fox, Secretary. 



A meeting of the American Entomological Society was held 

 February 25th. Dr. Calvert, President, in the chair. Seven- 

 teen persons were present. 



Mr. Rehn exhibited Chorisonura, a genus of roaches repre- 

 sented by a new species from the coast of South Carolina. He 

 had also received Ischnoptera johnsoyii from Virginia. 



Dr. Calvert exhibited in Riker mounts the Coleoptera he 

 used in class work in the University of Pennsj'lvania. They 

 were arranged to show several families and their characteris- 

 tics in each box. He then made remarks on the more recent 

 classification of the Order and quoted from various authors on 

 the subject. The same speaker also exhibited under the mi- 

 croscope specimens showing the development of the wing in 

 the larval stages of the potato beetle. 



Mr. Wenzel said the proposed classification as given by Dr. 



